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Bolt Tensioning / Torquing

An Established System of Quality and Service

Bolt Tensioning is a simple and reliable method of applying a preload to a fastener assembly. Bolt Tensioning applies a force directly to the bolt and stretches it axially, eliminating most of the factors which provide control problems using other tightening methods such as torque tightening.

The Bolt Tensioner is placed over each stud bolt on the joint to be tightened. They are then interconnected via a harness assembly to a single pump unit. This allows each bolt tensioning tool to be pressurised simultaneously providing even loading around the joint. Extension is applied directly to the stud bolt, which is then retained by the stud bolts and nuts. This in turn provides the clamping force necessary to maintain the joint.